class Plane:

    def bomb(self):
        print(f'{self.color} {self.name} PONG PONG PONG')

if __name__ == '__main__':
    # b1 = Plane()
    # b2 = Plane()
    # b1.bomb()
    # b2.bomb()

    b3 = Plane()
    b3.name = 'name3'
    b3.color = 'blue'
    b3.size = '67'
    b3.bomb()

    b4 = Plane()
    b4.name = 'name4'
    b4.color = 'red'
    b4.bomb()